Is it just me, or does the ActionScript undo function get overzealous? I just typed a few characters on one line, commented out a line, commented out another line, and then hit Ctrl-Z, and it undid all of that in one fell swoop! Ctrl-Y took only one hit to put it all back.

Upon further testing, it seems the undo function undoes everything since the last spacebar and perhaps copy/paste. Might I suggest including mouse clicks and navigation keys (arrow keys, home/end, etc.)?

It's not really a big deal, and I'll certainly take this over no undo function at all, but it just seems a bit odd.